Lil Big Invasion is a premium puzzle game in which you lead little green flies out of tricky dungeons. In the process of doing this, you will encounter a ton of obstacles on the way.

Lil Big Invasion Gameplay
Lil Big Invasion is basically a rescue adventure. In order to grant the little green flies freedom, there are things you have to do. You will need to activate switches, break spider webs, and block air vents.

There is light energy that you need in order for the green flies to follow you. You use up this light energy as you fly around.

Lil Big Invasion comes with 40 levels that span across five exotic worlds. You will encounter five boss fights – fights against some weird and wacky creatures.

Is Lil Big Invasion free to play?
Lil Big Invasion is currently free to play. You do not have to pay a dime to enjoy this adorable puzzle game. What’s more, there are no adverts or in-app-purchases; it is totally free.

Source: https://www.androidgamecity.com/lil-big-invasion-is-now-available-for-free/